Tìm nghiệm

x³ + 6x² + 20x + 9

(9/5) ⁷ ÷ (9/5) ² = (9/5) ²a-1

Bài 2 (trang 5 SGK Toán 8 Tập 1): Thực hiện phép nhân, rút gọn rồi tính giá trị của biểu thức:

a) x(x – y) + y(x + y) tại x = - 6 và y = 8

b) x(x2 – y) – x2(x+y) + y(x2 – x) tại Để học tốt Toán 8 | Giải toán lớp 8 và y = –100;

EX 5: GIVE CORRECT FORM OF THE VERBS IN PRESENT SIMPLE OR PRESENT CONTINUOUS TENSE.
1. Where's John? He ________(listen) to a new CD in his room.
2. Don't forget to take your umbrella with you to London. You know it always
________ (rain) in England.
3. Jean ________(work) hard all day but she ________(not work)
at the moment.
4. Look! That boy ________ (run) after the bus. He________(want) to catch it.
5. He ________(speak) German so well because he ________(come) from Germany.
6. Shh! The boss ________(come). We ________(meet) him in an hour and nothing is ready!
7. ________you usually ________(go) away for Christmas or________ you ________(stay) at home?
8. She ________(hold) some roses. They________(smell) lovely.
9. Oh no! Look! It ________(snow) again. It always________(snow) in this country.
10. Mary ________ (swim) very well, but she ________(not run) very fast.
11. ________ you ________(enjoy) this party? Yes, I ________(have) a great time!
12. Sorry I can't help you. I ________(not know) where she keeps her files.
13. What ________you________(do) next Saturday? Nothing special. I ________
(stay) at home.
14. I ________ (think) your new hat ________(look) nice on you.
15. I ________ (live) with my parents but right now I ________(stay) with some friends for a few days.
16. I can't talk on the phone now. I ________ (drive) home.
17. Where are the children? They ________ (lie) on the beach over there.
18. You never ________(listen) to a word I say! You ________always ________ (listen) to that mp3 player!
19. He ________ (not understand) what you ________ (talk) about. He's foreign.
20. How much ________your suitcase ________(weigh)? It ________ (look) really heavy.

76. What ___________________Mr. Ha (live)_______________?
77. Monkeys can (climb)_________________ the tree.
78. Hang (go)__________________to the bookshop now because she (want) ___________to buy some books.
79. We (go) ______________to market and (buy)_________________some fruits.
80. Now, Lan (study)________________English and Lien (listen)______________to music.
81. Every night , she (have)____________________dinner at 7.00 p.m.
82. Every year, I usually (go)______________________Vietnam.
83. In the summer, I sometimes (go)____________________swimming.
84. Every evening, my mother (like)___________ watching television.
85. Lan (have)_______________breakfast and (go)___________to school at 6.30 a.m.
86. We (not read)___________________after lunch.
87. Tom (be)___________my friend. He (play)______________sports everyday.
88. ______________your students (play)__________soccer every afternoon?
89. He (go)_____________to bed at 11.30 p.m.
90. They (go)___________home and (have)___________lunch.
91. ___________he (play)__________sports?
92. He (teach)_______________English in a big school in town.
93. Everyday she (go)____________to work by bike.
94. We usually (read)_________books, (listen)_________to music or (watch)_______TV.
95. Sometimes, I (play)__________badminton.
96. Ann (like)____________her job very much.
97. ___________your mother (walk)_________to the market?
98. Look! They (run)_________________________together.

47. _________You (live)________near a market? _ It (be)____________noisy?
48. Now I (do)_____________the cooking while Hoa (listen)_______________to music.
49. At the moment, Nam and his friends (go)_______________________shopping at the mall.
50. In the autumn, I rarely (go)______________sailing and (go)__________to school.
51. I (write)_____________________________ a letter to my friend now.
52. At 12 a.m every day, I (have)______________lunch and (go)____________to bed.
53. On Monday, I (have)________________________ math and Art.
54. On Friday, I (have)______________________English.
55. At the moment, I (eat)______________an orange, and My sisters (Play)_______ Tennis.
56. _______her bags (be)?
- No, they(not be)______________.
57. What time _____________your children (go)____________ to school?
58. He (live)________________in HCM City.
59. What time___________your brother usually (get)___________up?
60. My house (be)_________in the city and it (be)_________small.
61. Every morning , we (have)__________breakfast at 7.00 am.
62. This (be)________a book and there (be)_________pens.
63. Mr. Quang (live)____________in the countryside. He (have)__________a big garden.
64. John (not have)______________Literature lesson on Friday.
65. What time _________you (start)___________your class?
66. ___________you (be) in class 12A3?
67. Mrs. Ha (learn)__________________in Hanoi, but she (not live)__________________ there.
68. My brother (not live)____________________in London; he (live)_______________ in Manchester.
69. Now Mr. Long (design) ____________________his dream house.
70. He (like)_____________APPLES, but he (not like)_____________________bananas.
71. __________________she (like)______________apples?
72. Usually, I (have)_________________lunch at 12.00.
-__________________you (have) ___________________lunch at 11.00?
73. He can (swim)_______________but I can't(swim)_____________________.
74. At the moment, my sister (read)___________________ a comic book.